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authorShayne Chen <shayne.chen@mediatek.com>2026-02-03 18:55:29 +0300
committerFelix Fietkau <nbd@nbd.name>2026-03-24 18:49:30 +0300
commit97b9f9831bf297f3ffa62018721601ed2736f2c3 (patch)
tree8c7216df81779853820e01c662db67d37f05d374
parent02b7a65719a00b5edea5b60b00ff85440a3f5d38 (diff)
downloadlinux-97b9f9831bf297f3ffa62018721601ed2736f2c3.tar.xz
wifi: mt76: mt7996: fix wrong DMAD length when using MAC TXP
The struct mt76_connac_fw_txp is used for HIF TXP. Change to use the struct mt76_connac_hw_txp to fix the wrong DMAD length for MAC TXP. Fixes: cb6ebbdffef2 ("wifi: mt76: mt7996: support writing MAC TXD for AddBA Request") Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Link: https://patch.msgid.link/20260203155532.1098290-1-shayne.chen@mediatek.com Signed-off-by: Felix Fietkau <nbd@nbd.name>
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7996/mac.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
index c6028fabd7d1..208ed20d0bf9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
@@ -1100,10 +1100,10 @@ int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
* req
*/
if (le32_to_cpu(ptr[7]) & MT_TXD7_MAC_TXD) {
- u32 val;
+ u32 val, mac_txp_size = sizeof(struct mt76_connac_hw_txp);
ptr = (__le32 *)(txwi + MT_TXD_SIZE);
- memset((void *)ptr, 0, sizeof(struct mt76_connac_fw_txp));
+ memset((void *)ptr, 0, mac_txp_size);
val = FIELD_PREP(MT_TXP0_TOKEN_ID0, id) |
MT_TXP0_TOKEN_ID0_VALID_MASK;
@@ -1122,6 +1122,8 @@ int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
tx_info->buf[1].addr >> 32);
#endif
ptr[3] = cpu_to_le32(val);
+
+ tx_info->buf[0].len = MT_TXD_SIZE + mac_txp_size;
} else {
struct mt76_connac_txp_common *txp;